Home / 106,300,254.40-159,450,381.60-90,994,753.60

Finding the Fourth Proportional to 106,300,254.40, 159,450,381.60 and 90,994,753.60

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Solution

The fourth proportional to 106,300,254.40, 159,450,381.60 and 90,994,753.60 is: 136,492,130.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,300,254.40 : 159,450,381.60 = 90,994,753.60 : x
  2. Step 2: Convert to fraction form
    106,300,254.40/159,450,381.60 = 90,994,753.60/x
  3. Step 3: Cross multiply
    106,300,254.40x = 159,450,381.60 × 90,994,753.60
  4. Step 4: Simplify right side
    106,300,254.40x = 14,509,148,185,117,972
  5. Step 5: Solve for x
    x = 14,509,148,185,117,972/106,300,254.40
  6. Step 6: Final answer
    x = 136,492,130.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.